/*
 * Tencent is pleased to support the open source community by making BK-CI 蓝鲸持续集成平台 available.
 *
 * Copyright (C) 2019 Tencent.  All rights reserved.
 *
 * BK-CI 蓝鲸持续集成平台 is licensed under the MIT license.
 *
 * A copy of the MIT License is included in this file.
 *
 *
 * Terms of the MIT License:
 * ---------------------------------------------------
 * Permission is hereby granted, free of charge, to any person obtaining a copy of this software and associated
 * documentation files (the "Software"), to deal in the Software without restriction, including without limitation the
 * rights to use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of the Software, and to
 * permit persons to whom the Software is furnished to do so, subject to the following conditions:
 *
 * The above copyright notice and this permission notice shall be included in all copies or substantial portions of
 * the Software.
 *
 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING BUT NOT
 * LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN
 * NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY,
 * WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE
 * SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
 */

package com.tencent.devops.common.api.util

@Suppress("ALL")
object VersionUtil {
    // 比较版本大小, 版本格式为 x.y.z
    // appVersion > compareVersion , 返回 1
    // appVersion = compareVersion , 返回 0
    // appVersion < compareVersion , 返回 -1
    // appVersion = null 或者 version 不符合规范, 返回 -2
    fun compare(
        appVersion: String?,
        compareVersion: String
    ): Int {
        if (null == appVersion) {
            return -2
        }

        val appVersionArray = appVersion.split(".")
        if (appVersionArray.size != 3) {
            return -2
        }

        val compareVersionArray = compareVersion.split(".")
        if (compareVersionArray.size != 3) {
            return -2
        }

        try {
            for (i in 0..2) {
                val appV = appVersionArray[i].toInt()
                val compareV = compareVersionArray[i].toInt()

                if (appV > compareV) {
                    return 1
                } else if (appV < compareV) {
                    return -1
                }
            }
        } catch (e: Exception) {
            return -2
        }

        return 0
    }
}
